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Howto:Port I/O from Nasal: Difference between revisions
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</syntaxhighlight> | </syntaxhighlight> | ||
Now, you could also create additional wrappers to do device-specific things, like clearing the LCD screen, setting the font color, font size, positioning the cursor etc, simply by adding device specific commands to each wrapper: | |||
<syntaxhighlight lang="php"> | |||
var setFontColor = func(color) { | |||
sendMessage("0xFF,0xAC,0xEF...."); | |||
} | |||
</syntaxhighlight> | |||
<syntaxhighlight lang="php"> | |||
var setHeading = func(heading) { | |||
sendMessage("0xFF,0xCA,0xFA,$"~heading); | |||
} | |||
</syntaxhighlight> | |||
The same concept could also be used to come up with an "input property" to process results from your device. | The same concept could also be used to come up with an "input property" to process results from your device. | ||